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Thomas Flacke
순수물리이론 연구단
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Electroweak Kaluza-Klein dark matter

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Title
Electroweak Kaluza-Klein dark matter
Author(s)
Thomas Flacke; Dong Woo Kang; Kyoungchul Kong; Gopolang Mohlabeng; Seong Chan Park
Publication Date
2017-04
Journal
JOURNAL OF HIGH ENERGY PHYSICS, v.2017, no.4, pp.041 -
Publisher
SPRINGER
Abstract
In models with universal extra dimensions (UED), the lightest Kaluza-Klein excitation of neutral electroweak gauge bosons is a stable, weakly interacting massive particle and thus is a candidate for dark matter thanks to Kaluza-Klein parity. We examine concrete model realizations of such dark matter in the context of non-minimal UED extensions. The boundary localized kinetic terms for the electroweak gauge bosons lead to a non-trivial mixing among the first Kaluza-Klein excitations of the SU(2)W and U(1)Y gauge bosons and the resultant low energy phenomenology is rich. We investigate implications of various experiments including low energy electroweak precision measurements, direct and indirect detection of dark matter particles and direct collider searches at the LHC. Notably, we show that the electroweak Kaluza-Klein dark matter can be as heavy as 2.4 TeV, which is significantly higher than 1.3 TeV as is indicated as an upper bound in the minimal UED model. © 2017, The Author(s)
URI
https://pr.ibs.re.kr/handle/8788114/3543
ISSN
1029-8479
Appears in Collections:
Center for Fundamental Theory(순수물리이론 연구단) > Journal Papers (저널논문)
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